Antonyms of adj symmetrical

2 senses of symmetrical

Sense 1
symmetrical (vs. asymmetrical), symmetric -- (having similarity in size, shape, and relative position of corresponding parts)

asymmetrical (vs. symmetrical), asymmetric -- (characterized by asymmetry in the spatial arrangement or placement of parts or components)
        => lopsided -- (having one side lower or smaller or lighter than the other)
        => noninterchangeable -- (such that the terms of an expression cannot be interchanged without changing the meaning; "the arguments of the symmetric relation, `is the father of', are noninterchangeable")
        => unsymmetric, unsymmetrical -- (lacking symmetry)

Sense 2
harmonious, proportionate, symmetrical -- (exhibiting equivalence or correspondence among constituents of an entity or between different entities)

INDIRECT (VIA balanced) -> unbalanced, imbalanced -- (being or thrown out of equilibrium)

Similarity of adj symmetrical

2 senses of symmetrical

Sense 1
symmetrical (vs. asymmetrical), symmetric -- (having similarity in size, shape, and relative position of corresponding parts)
       => bilateral, isobilateral, bilaterally symmetrical, bilaterally symmetric -- (having identical parts on each side of an axis)
       => biradial -- (showing both bilateral and radial symmetry; "some sea anemones are biradial")
       => cruciate, cruciform -- (shaped like a cross)
       => even, regular -- (symmetrically arranged; "even features"; "regular features"; "a regular polygon")
       => interchangeable -- ((mathematics, logic) such that the arguments or roles can be interchanged; "the arguments of the symmetric relation, `is a sister of,' are interchangeable")
       => isosceles -- ((of a triangle) having two sides of equal length)
       => radial, stellate, radiate -- (arranged like rays or radii; radiating from a common center; "radial symmetry"; "a starlike or stellate arrangement of petals"; "many cities show a radial pattern of main highways")
       => radially symmetrical, centrosymmetric -- (having a symmetrical arrangement of radiating parts about a central point)
       => rhombohedral, trigonal -- (having threefold symmetry)
          Also See-> parallel#1; regular#1

Sense 2
harmonious, proportionate, symmetrical -- (exhibiting equivalence or correspondence among constituents of an entity or between different entities)
       => balanced (vs. unbalanced) -- (being in a state of proper equilibrium; "the carefully balanced seesaw"; "a properly balanced symphony orchestra"; "a balanced assessment of intellectual and cultural history"; "a balanced blend of whiskeys"; "the educated man shows a balanced development of all his powers")